Dating ten years apart
Around 57 tombs were found during excavations that started in 2012.
Construction workers uncovered bronze vessels while they were building houses in the area, leading archaeologists to take interest.
An angular unconformity is the result of tilting and eroding of the lower layers before the upper ones are deposited.In an article published in the journal Chinese Cultural Relics, Zhankui Wang, who led the dig, said: 'The occupant of Tomb M4 was most likely of elite status, and could potentially be a high ranking chief or the spouse of a chief.'After conquering the Shang dynasty, the Zhou king distributed the plundered war spoils to the military officers with great achievements, and these spoils usually included bronze vessels.'The Zhou dynasty followed the Shang dynasty and preceded the Qin dynasty and lasted longer than any other in Chinese history.The bowls and other items include a four-handled tureen, which were often used to serve soup.A few of the vessels hold inscriptions that include the names of different Shang clans.The Zhou may have seized the bronze vessels during the war and given them to the person who was buried in the tomb.